This really is a happy little swing tune, written in a feel-good state of mind. If you think it isn’t happy, try listening again, and this time snap your fingers and sing along.
Like my music? If so, please consider buying a copy. Then you can take it with you and play it anytime anywhere, plus you'll be helping to support my music and everything else I do (I really appreciate that - thanks!) You can find it from all the usual online music sources, like these: